<template>
  <div>
    <!-- 年月 -->
    <el-row type="flex" justify="end">
      <el-select v-model="currentYear" size="small" style="width: 120px" @change="dataChange">
        <!-- 年份 用组件给定一个日期，日期获取年 +5 -5 -->
        <el-option v-for="item in yearList" :key="item" :label="item" :value="item" />
      </el-select>
      <el-select v-model="currentMonth" size="small" style="width: 120px;margin-left:20px;" @change="dataChange">
        <!-- 循环12个数 月份-->
        <el-option v-for="item in 12" :key="item" :label="item" :value="item" />
      </el-select>
    </el-row>
    <el-calendar v-model="currentDate">
      <template v-slot:dateCell="{ date, data }">
        <div class="date-content">
          <span class="text"> {{ data.day | getDay }}</span>
          <span v-if="isWeek(date)" class="rest">休</span>
        </div>
      </template>
    </el-calendar>
  </div>
</template>

<script>
export default {
  name: 'HrSassWorkCalendar',
  filters: {
    getDay(value) {
      const day = value.split('-')[2]
      return day.startsWith('0') ? day.substr(1) : day
    }
  },
  props: {
    startDate: {
      type: Date,
      default: () => new Date()
    }
  },
  data() {
    return {
      yearList: [], // 要遍历的年的数组
      currentYear: null,
      currentMonth: null,
      currentDate: null
    }
  },
  created() {
  // 获取当前年份
    this.currentYear = this.startDate.getFullYear()
    this.currentMonth = this.startDate.getMonth() + 1
    // 快速生成数组
    // 方法参考
    //     Array.from(Array(11),(value,i)=> i+2022-5)
    // (11)[2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027]
    this.yearList = Array.from(Array(11), (v, i) => i - 5 + this.currentYear)
    this.dataChange()
  },
  mounted() {

  },

  methods: {
    // 年月份改变之后
    dataChange() {
      const year = this.currentYear
      const month = this.currentMonth
      this.currentDate = new Date(`${year}-${month}-1`) // 以当前月的1号为起始
    },
    // 是否是休息日
    isWeek(value) {
      return value.getDay() === 6 || value.getDay() === 0
    }

  }
}
</script>

<style lang="scss" scoped>

 :deep(.el-calendar-day ){
  height:  auto;
 }
 :deep(.el-calendar-table__row td),:deep(.el-calendar-table tr td:first-child),
 :deep(.el-calendar-table__row td.prev){
  border:none;
 }
.date-content {
  height: 40px;
  text-align: center;
  line-height: 40px;
  font-size: 14px;
}
.date-content .rest {
  color: #fff;
  border-radius: 50%;
  background: rgb(250, 124, 77);
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
  font-size: 12px;
  margin-left: 10px;
}
.date-content .text{
  width: 20px;
  height: 20px;
  line-height: 20px;
 display: inline-block;

}
 :deep(.el-calendar-table td.is-selected) .text{
   background: #409eff;
   color: #fff;
   border-radius: 50%;
 }
 :deep(.el-calendar__header) {
   display: none
 }
</style>

